What was found
NR 1 HF FAIL ILLUMINATION ON ACTIVE & STBY. ACFT GROUNDED. COULD NOT DUPLICATE ISSUE. REMOVED AND REPLACED THE NR 1 HF RECEIVER/TRANSMITTER IAW AMM 23-11-21-400-801. AS A PRECAUTION. OPS CHECKED OK.
- Difficulty date
- September 19, 2016
- Submitted
- September 23, 2016
- Operation
- Air carrier
- Aircraft
- N559AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35178
- Aircraft time
- 36,990 hours, 11,026 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 17H35T
- Condition
- Failed
- Location
- Nr 1 Hf
- Part time
- 25,037 hours, 7,474 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.